assertZalgoEncodableCodeUnit function
Implementation
int assertZalgoEncodableCodeUnit(int codeUnit) {
if (isZalgoEncodableCodeUnit(codeUnit)) return codeUnit;
throw Exception(
"Can't encode '${String.fromCharCode(codeUnit)}' ($codeUnit) as it is outside of [$_encodableLeft, $_encodableRight] range.",
);
}